{"id":"CVE-2026-65834","sourceIdentifier":"security-advisories@github.com","published":"2026-07-30T20:18:13.107","lastModified":"2026-10-23T22:10:00.160","vulnStatus":"Deferred","cveTags":[],"descriptions":[{"lang":"en","value":"Capsule is a multi-tenancy and policy-based framework for Kubernetes. Prior to 0.13.8, CapsuleConfiguration.Spec.NodeMetadata.ForbiddenLabels.Regex and CapsuleConfiguration.Spec.NodeMetadata.ForbiddenAnnotations.Regex were not validated by the configuration admission webhook, allowing a Cluster Admin to store a malformed regex that later reached regexp.MustCompile in pkg/api/forbidden_list.go through internal/webhook/node/user_metadata.go and crashed the node admission webhook on Node create, update, or patch requests. This issue is fixed in version 0.13.8."},{"lang":"es","value":"Capsule es un framework multi-inquilino y basado en políticas para Kubernetes. Antes de la versión 0.13.8, CapsuleConfiguration.Spec.NodeMetadata.ForbiddenLabels.Regex y CapsuleConfiguration.Spec.NodeMetadata.ForbiddenAnnotations.Regex no eran validados por el webhook de admisión de configuración, permitiendo a un Administrador de Clúster almacenar una regex mal formada que luego llegaba a regexp.MustCompile en pkg/API/forbidden_list.go a través de internal/webhook/node/user_metadata.go y provocaba el fallo del webhook de admisión de nodos en las solicitudes de creación, actualización o parcheo de nodos. Este problema está solucionado en la versión 0.13.8."}],"affected":[{"source":"security-advisories@github.com","affectedData":[{"vendor":"projectcapsule","product":"capsule","versions":[{"version":"< 0.13.8","status":"affected"}]}]}],"metrics":{"cvssMetricV31":[{"source":"security-advisories@github.com","type":"Secondary","cvssData":{"version":"3.1","vectorString":"CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:N/I:N/A:H","baseScore":6.8,"baseSeverity":"MEDIUM","attackVector":"NETWORK","attackComplexity":"LOW","privilegesRequired":"HIGH","userInteraction":"NONE","scope":"CHANGED","confidentialityImpact":"NONE","integrityImpact":"NONE","availabilityImpact":"HIGH"},"exploitabilityScore":2.3,"impactScore":4.0}],"ssvcV203":[{"source":"134c704f-9b21-4f2e-91b3-4a467353bcc0","ssvcData":{"timestamp":"2026-07-31T11:26:23.756923Z","id":"CVE-2026-65834","options":[{"exploitation":"poc"},{"automatable":"no"},{"technicalImpact":"partial"}],"role":"CISA Coordinator","version":"2.0.3"}}]},"weaknesses":[{"source":"security-advisories@github.com","type":"Secondary","description":[{"lang":"en","value":"CWE-20"},{"lang":"en","value":"CWE-248"}]}],"references":[{"url":"https://github.com/projectcapsule/capsule/releases/tag/v0.13.8","source":"security-advisories@github.com"},{"url":"https://github.com/projectcapsule/capsule/security/advisories/GHSA-68cj-mvg9-rgm2","source":"security-advisories@github.com"},{"url":"https://github.com/projectcapsule/capsule/security/advisories/GHSA-68cj-mvg9-rgm2","source":"134c704f-9b21-4f2e-91b3-4a467353bcc0"}]}